Results 51 to 60 of about 527,986 (197)

Fundamental issues in antenna design for microwave medical imaging applications [PDF]

open access: yes, 2010
This paper surveys the development of microwave medical imaging and the fundamental challenges associated with microwave antennas design for medical imaging applications. Different microwave antennas used in medical imaging applications such as monopoles,
Fernando, Michael   +7 more
core   +1 more source

Microwave pretreatment of polyacrylamide flocculated waste activated sludge: Effect on anaerobic digestion and polyacrylamide degradation

open access: yes, 2019
© 2019 Elsevier Ltd Deterioration of anaerobic digestion can occur with the presence of polyacrylamide (PAM) in waste activated sludge, but the information on alleviating this deterioration is still limited. In this study, the simultaneous alleviation of
Liu, Y   +25 more
core   +1 more source

Strategies for stable anaerobic digestion of vegetable waste [PDF]

open access: yes, 2012
International trade and the market demand for pre-prepared agricultural produce is not only increasing the total quantity of waste agricultural biomass but also centralising its availability, making it potentially useful for energy production.
Jiang, Y.   +5 more
core   +1 more source

Determination of Trace Selenium in Biological Samples by Inductively Coupled Plasma-Mass Spectrometry with Microwave Digestion

open access: yesYankuang ceshi, 2014
Hydride Generation-Atomic Fluorescence Spectrometry (HG-AFS) with wet digestion is classical method to determine the trace element selenium in biological samples.
FENG Yong-ming   +3 more
doaj   +2 more sources

Determination of lead, cadmium, copper, chromium and nickel in feed by different digestion methods

open access: yesSiliao yanjiu, 2023
The experiment was to recommend a method more suitable for simultaneous detection of multiple elements in feed. By comparing and analyzing the advantages and disadvantages of dry ash method, microwave digestion method, wet digestion method and graphite ...
PAN Xiao-wei   +5 more
doaj  

THE DEVELOPMENT OF ANALYTICAL METHODS FOR THE ELEMENTAL DETERMINATION OF BIOTIC INDICATORS PRESENT IN AQUATIC ECOSYSTEMS

open access: yesStudia Universitatis Babes-Bolyai Chemia, 2017
In our research, we investigate the accumulation extent of the inorganic contaminants accessing the aquatic food chain, including zooplankton and fish species through model experiments.
Petra HERMAN   +4 more
doaj   +1 more source

Gold determination in soil by ICP-MS: comparison of sample pretreatment methods

open access: yesJournal of Analytical Science and Technology, 2020
At present, the direct gold determination in geological samples by inductively coupled plasma mass spectrometry (ICP-MS) is still an arduous challenge due to both spectral and background interferences.
Xiaodan Tang   +4 more
doaj   +1 more source

Microwave Digestion of Environmental and Natural Waters for Selenium Speciation [PDF]

open access: yesAnalytical Chemistry, 2001
A microwave preparation procedure is proposed for selenium speciation in natural and drinking waters. Different chemical reagents were tested, and the conditions for Se speciation were optimized. The effect of the different reagents on various oxidation states of selenium under microwave digestion conditions was investigated.
Z, Wang, Y X, Gao, N, Belzile
openaire   +2 more sources

Microwave Engineering Europe magazine articles regarding software suppliers benchmarking, including Optimization Systems Associates

open access: yes, 1997
File includes nine articles published in Microwave Engineering Europe magazine between 1990 and 1997, comparing responses to specific engineering problems and state-of-the-art advancements to engineering design.
Microwave Engineering Europe
core   +1 more source

Anaerobic digestion of catering wastes

open access: yes, 2008
This research addresses gaps in current knowledge regarding process issues associatedwith long term semi-continuous digestion of food waste as a sole substrate, and the role oftrace elements and biomass retention in digestion of food wastes.Source ...
Climenhaga, Martha Anne
core   +1 more source

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